/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 26727
 * Date: 2024-04-07
 * Time: 10:44
 */
public class ListNode {
      int val;
      ListNode next;
      ListNode() {}
      ListNode(int val) { this.val = val; }
      ListNode(int val, ListNode next) {
       this.val = val;
       this.next = next;
      }
}
